ZIP code 73556: Martha, OK
73556 is a ZIP code in Martha, Oklahoma, mainly in Jackson County, part of the Altus, OK micro area. About 134 people live here.
- Population
- 134
- Median household income
- $64,375
- Typical home value
- $107,100ACS median value
- Median rent
- $625gross, per month
- Median age
- 44.7
- Homeowners
- 69.4%of occupied homes
Shaded: ZIP code 73556's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 73556 details
| City | Martha |
|---|---|
| State | Oklahoma |
| County | Jackson County |
| Metro area | Altus, OK |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.3 sq mi |
| Population density | 536 people per sq mi |
| Bachelor's degree or higher | 12.5% of adults 25+ |
| Average commute | 16.3 minutes |
| Center coordinates | 34.72598, -99.38666 |
ZIP codes near 73556
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 73522 | Altus, OK | 6.8 mi | — |
| 73521 | Altus, OK | 7.5 mi | 20,155 |
| 73523 | Altus Afb, OK | 7.6 mi | 243 |
| 73526 | Blair, OK | 8.3 mi | 2,049 |
| 73560 | Olustee, OK | 12.9 mi | 654 |
| 73532 | Duke, OK | 13.3 mi | 451 |
| 73549 | Headrick, OK | 14.4 mi | 320 |
| 73554 | Mangum, OK | 14.9 mi | 3,309 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 73556?
A typical home in ZIP code 73556 is worth about $107,100 (ACS median value). The median household here earns $64,375 a year. See what buying here would cost per month, with Oklahoma average taxes and insurance filled in.
Monthly payment for a $107,100 homeWhat can a $64,375 income afford?Rental property numbers
About ZIP code 73556
What city is ZIP code 73556?
ZIP code 73556 is in Martha, OK, in Jackson County.
What county is ZIP code 73556 in?
73556 is mainly in Jackson County, Oklahoma.
What is the population of ZIP code 73556?
About 134 people live in ZIP code 73556, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 73556 in?
73556 is in Central Time (UTC−6). It observes daylight saving time.